01200nam a22003497a 4500 CHAP 20220817042457.0 971013s1972 r 00010 d 45814 46786 50927 CHAP Folleto 2236 UNESCO Ecology of water weeds in the neotropics : an ecological survey of the aquatic weeds Eichhornia crassipedes and Salvinia species, and their natural enemies in the neotropics Paris : UNESCO, 1972 50 p. Technical paper in hydrology ; 12 BATCH-UPD 10 20130109 UCH01 2340 BATCH-UPD 10 20130110 UCH01 1309 BATCH-UPD 10 20130410 UCH01 0823 BATCH-UPD 10 20130914 UCH01 1741 CONVERSION 10 20130109 UCH01 1325 Malas hierbas acuáticas. 70050 Malas hierbas Control. 70011 Mitchell, D. S. 76217 Thomas, Peter A. 112855 Technical paper in hydrology ; 12 111900 BK FOLL Folleto 2236 BC FOLL -114273 TS1 50927 i 45814 45814 0 0 local 0 1 0 FOLL BC BC PA_FOLLETOS 2012-12-17 FOLL 0 Folleto 2236 -114273 2019-12-31 00:00:00 2012-12-17 FOLL